THE CERTIFICATE BEHIND THE CONNECTION

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Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

mailgw.mailbox.ro · 91.212.192.126:443

Unverified

Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject: CN=mailgw.mailbox.ro
Issuer: CN=mailgw.mailbox.ro
Valid from: 2024-12-18T09:31:31+00:00
Expires: 2035-12-16T09:31:31+00:00
Days remaining: 3326
Serial (hex): 3050EC2E7738502A
Signature: RSA-SHA256
Public key: RSA 4096

Subject alternative names (SAN)

DNS:mailgw.mailbox.ro

SHA-256 fingerprint

33:9C:E3:D7:02:F3:60:FD:7E:88:8D:B1:79:44:37:7F:D1:88:07:EE:1F:71:07:65:B9:A4:A9:25:70:E4:86:10

Certificate extensions & PEM

subjectKeyIdentifier: A4:1A:F6:8C:47:2B:2E:FB:14:71:28:1E:76:A2:B8:9B:04:7C:68:7C
authorityKeyIdentifier: A4:1A:F6:8C:47:2B:2E:FB:14:71:28:1E:76:A2:B8:9B:04:7C:68:7C
basicConstraints: CA:FALSE
subjectAltName: DNS:mailgw.mailbox.ro

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-06T15:43:32+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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